Hearthstone: Heroes of Warcraft has the rare and uncanny ability to pull in people who don't care about collectible card games.

Case in point: myself. Before checking out Blizzard's new free-to-play card game, I had played maybe two matches of Magic: The Gathering in my whole life. I had so little interest in card games that when Blizzard announced Hearthstone, I rolled my eyes. Requirements: Windows Phone 8.1, Windows Phone 8